?? ????“????????”???? ????“?”
????:1??????????:????????
2???????
3???????
4?????v
5??????????
????????????????“??????????????”????? ?????????“????”
????“?????????”??????????,????,????“???????????????”???,“?????????????”???????,???????????????????,??,“????”???????????????????????????????
“?????????”????,???“?????????”??????????????????????????????,?????????????,???????????????,???????????50???1600?2200??????,?????????,?????????????????????????????,????,???????????????????????,?????????
?????????????? ? ???:?????????????,???20m,????23m?
?????????,“????????”???,???????,???????????,???????????,?????,?????????????,?????
??? ???? ???????? ??????????????????:??,??????(???)????
????????,“????”?????????“???”??,??????,?320???????????????????????????,??????“???????????????”?????????????????????????
???? ??????????????????????:??(??)??????????????????????????,??,??????????,??????????
(????????? ??????? ????????? ?????? ???? ) ?????:??????????????